TNUSRB Constable Exam 2017: Answer Keys Have Been Released NEW DELHI: TNUSRB answer keys have been released at tnusrb.tn.gov.in and tnusrbonline.org. Tamil Nadu Uniformed Services Recruitment Board (TNUSRB) has recently conducted the common recruitment for police constables, jail warders and firemen posts. The examination was conducted smoothly on...